The 3m3 testing chamber is designed to comply with the Chinese standard GB/T 18801-2015. The chamber is constructed using powder coated stainless steel and has an internal volume of 3 m3.
A mixing fan installed in the celling allows for a homogeneous dispersal of test dust or biological material throughout the chamber.
The chamber is sealed using silicon rubber gaskets and allows for an air change rate of less than 0.05 per hour. Air is supplied and extracted from the chamber through HEPA filters mounted in the celling.